John, you can perform a search using the id from the rest url you provided (hRUr1F8lE8Jq2uJo). This is the id for the organization hosting the services. When querying for content using the org id, search will return all (public) content owned by the organization. From the search results, you can then see specific owners.

John, you can perform a search using the id from the rest url you provided (hRUr1F8lE8Jq2uJo). This is the id for the organization hosting the services. When querying for content using the org id, search will return all (public) content owned by the organization. From the search results, you can then see specific owners.